package com.itheima.reggie.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.reggie.commen.CustomException;
import com.itheima.reggie.dao.CategoryDao;
import com.itheima.reggie.domain.Category;
import com.itheima.reggie.domain.Dish;
import com.itheima.reggie.domain.Setmeal;
import com.itheima.reggie.service.ICategoryService;
import com.itheima.reggie.service.IDishService;
import com.itheima.reggie.service.ISetmealService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class ICategoryServiceImpl extends ServiceImpl<CategoryDao, Category> implements ICategoryService {
    @Autowired
    private IDishService dishService;

    @Autowired
    private ISetmealService setmealService;

/*    @Override
    public boolean removeById(Serializable id) {
        LambdaQueryWrapper<Dish> qw = new LambdaQueryWrapper<>();
        qw.eq(Dish::getCategoryId,id);
        int count = dishService.count();
        if (count>0){
            return false;
        }
        LambdaQueryWrapper<Setmeal> qw1 = new LambdaQueryWrapper<>();
        qw1.eq(Setmeal::getCategoryId,id);
        int count1 = setmealService.count(qw1);
        if (count1>0){
            return false;
        }
        return true;
    }*/

    @Override
    public void remove(Long id) {
        LambdaQueryWrapper<Dish> qw = new LambdaQueryWrapper<>();
        qw.eq(Dish::getCategoryId,id);
        int count = dishService.count(qw);
        if (count>0){
            throw new CustomException("当前分类下关联了菜品，不能删除");
        }
        LambdaQueryWrapper<Setmeal> qw1 = new LambdaQueryWrapper<>();
        qw1.eq(Setmeal::getCategoryId,id);
        int count1 = setmealService.count(qw1);
        if (count1>0){
            throw new CustomException("当前分类下关联了套餐，不能删除");
        }
        //正常删除分类
        super.removeById(id);
    }
}
